The AllFuel HST Pellet Vent 4" Diameter 90° Elbow is designed to create a 90-degree turn in your AllFuel HST Pellet Vent system. It is ideal for through-the-wall installations or when routing vent pipe around obstacles while maintaining a safe, professional installation. The elbow connects directly to other 4" AllFuel HST Pellet Vent components using the positive twist-lock connection for a secure starting point in any offset.
The positive twist-lock connection provides a fast, secure fit without the need for screws or fasteners. Its dual-seal connection combines a metal-to-metal seal with an encapsulated O-ring gasket, eliminating the need for silicone during installation.
Note: Some stove manufacturers require silicone sealant despite the internal gasket. Always check your appliance manual for assembly instructions.
Note: A straight vertical vent system always provides the best performance. Use elbows only when necessary to route around obstacles or create a through-the-wall vent
Built for durability, the AFPV4-EL90 features a .019" thick TIG welded 444 stainless steel inner wall that resists corrosion from pellet, corn, and biofuel exhaust, along with a .019" laser welded Galvalume outer wall for added strength and protection against the elements. Backed by the AllFuel HST Limited Lifetime Warranty, this elbow is built to provide years of dependable performance.
Product Highlights
- Creates a 90° turn in the pellet vent system
- Designed for 4" AllFuel HST Pellet Vent Pipe and components
- Ideal for through-the-wall installations and vent offsets
- 360° Swivel Female End for precise routing
- Positive twist-lock connection—no screws or fasteners required
- Primary metal-to-metal seal with encapsulated O-ring secondary seal
- No silicone required during assembly (see appliance manufacturers instructions)
- .019" TIG welded 444 super-ferritic stainless steel inner wall
- .019" laser welded Galvalume outer wall
- Compatible with wood, corn, and approved biofuel-burning appliances
- Available in raw Galvalume or Black powder-coated finish
- UL Listed to UL 641 (U.S.) and ULC-S629 (Canada)
- Backed by the AllFuel HST Limited Lifetime Warranty
For Installation Instructions please click here.